Navigation cannot control HVAC by voice command
NOTE:
- Check the vehicle battery condition first (see BATTERY TEST ).
- Check the connectors for poor connections or loose terminals.
- Check for and resolve all CAN DTCs before troubleshooting the navigation system.
- If the Hard Error Code stored, check the Hard Error Code troubleshooting first.
- Before troubleshooting, make sure you have the anti-theft codes for the audio-navigation unit.
- After troubleshooting, enter the anti-theft codes for the audio-navigation unit.
- Verify that the correct audio-navigation unit is installed for this model. Go into the Diagnostic mode and use Version (see VERSION ).
- Make sure that the latest navigation software is installed.
- Check any official Honda service website for more service information about the navigation system.
- Connect the HDS to the DLC. Check for B-CAN or F-CAN DTCs in the data list.
Are there any DTCs in the B-CAN or F-CAN systems?
YES -Troubleshoot and repair all CAN related DTCs, and retest.
NO -Go to step 2.
- Turn the ignition switch to ON (II).
- Select the Self-Diagnosis mode.
- Check for the hard error code (see HOW TO CHECK ERROR HISTORY (NAVIGATION DTCS)
).
Is the Hard Error Code 2703 stored?
YES -Do the DTC 2703 troubleshooting (see DTC 2703: AIRCON DIAG ).
NO -Go to step 5.
- Substitute a known-good climate control unit (see
FRONT EVAPORATOR TEMPERATURE SENSOR REPLACEMENT
). Reconnect all connectors, and retest.
Does the symptom go away?
YES -Replace the original climate control unit (see FRONT EVAPORATOR TEMPERATURE SENSOR REPLACEMENT ).
NO -Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).